Answer
$16$
Work Step by Step
$\lim _{x\rightarrow 1}\left( \dfrac {x+5}{x+2}\right) ^{4}=\left( \dfrac {1+5}{1+2}\right) ^{4}=\left( \dfrac {6}{3}\right) ^{4}=2^{4}=16$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.